<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>条件渲染-练习</title>
        <style></style>
    </head>
    <body>
        <div id="root"></div>

        <script src="../js/react.development.js"></script>
        <script src="../js/react-dom.development.js"></script>
        <script src="../js/babel.min.js"></script>

        <script type="text/babel">
            //变量
            let isLogin = false; // 是否登录

            //创建虚拟 DOM
            let vDOM = <div>
                    {isLogin ? <button>进入我的文件</button> : <div><button>免费注册</button><button>登录</button></div>}
                </div>;

            //渲染
            ReactDOM.render(vDOM, document.querySelector("#root"));
        </script>
    </body>
</html>
